xref: /freebsd-10.3-release/crypto/heimdal/lib/krb5/test_time.c

/*
 * Copyright (c) 2003 Kungliga Tekniska H��gskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of KTH nor the names of its contributors may be
 *    used to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "krb5_locl.h"
#include <err.h>

static void
check_set_time(krb5_context context)
{
    krb5_error_code ret;
    krb5_timestamp sec;
    int32_t usec;
    struct timeval tv;
    int diff = 10;
    int diff2;

    gettimeofday(&tv, NULL);

    ret = krb5_set_real_time(context, tv.tv_sec + diff, tv.tv_usec);
    if (ret)
	krb5_err(context, 1, ret, "krb5_us_timeofday");

    ret = krb5_us_timeofday(context, &sec, &usec);
    if (ret)
	krb5_err(context, 1, ret, "krb5_us_timeofday");

    diff2 = abs(sec - tv.tv_sec);

    if (diff2 < 9 || diff > 11)
	krb5_errx(context, 1, "set time error: diff: %d",
		  abs(sec - tv.tv_sec));
}



int
main(int argc, char **argv)
{
    krb5_context context;
    krb5_error_code ret;

    ret = krb5_init_context(&context);
    if (ret)
	errx(1, "krb5_init_context %d", ret);

    check_set_time(context);
    check_set_time(context);
    check_set_time(context);
    check_set_time(context);
    check_set_time(context);

    krb5_free_context(context);

    return 0;
}